Hach 900 MAX manual Factory Installed Options, Specifications

		Specifications
	Intake Purge	Air purged automatically before and after each sample; duration automatically compensates
		for varying intake line lengths.
	Pump/Controller	High impact injection molded ABS; submersible, watertight, dust tight, corrosion & ice
	Housing	resistant; NEMA 4X,6.
	Internal Clock	Indicates real time and date; 0.007% time base accuracy.
	Manual Sample	Initiates a sample collection independent of program in progress.
	Intake Rinse	Intake line automatically rinsed with source liquid prior to each sample, from 0 to 3 rinses.
	Intake Retries	Sample collection cycle automatically repeated from 0 to 3 times if sample is not obtained on
		initial attempt.
	Intake Tubing	¼ in. and 3/8 in. ID vinyl or 3/8 in. ID Teflon* lined polyethylene with protective outer cover.
	Intake Strainers	Choice of Teflon® and 316 stainless construction, and all 316 stainless steel in standard size
		and low profile for shallow depth applications.
Factory Installed Options
pH/Temperature/ORP Meter
	Control/Logging	Field selectable to log pH/temperature or ORP independent of sample operation or to control
		sample collection in response to volume exceeding low/high setpoints.
	pH/Temperature Sensor	Temperature compensated; impact resistant ABS plastic body
		Combination electrode with porous Teflon junction
	Measurement Range	0 to 14 pH, -10 to 105 °C
	Operating Temperature	-18 to 80 °C (0 to 176 °F)
	Dimensions	1.9 cm dia. ⋅ 15.2 cm long (0.75 in. ⋅ 6 in.) with 1.9 cm (0.75 in.) mpt cable end
Dissolved Oxygen Meter
	Control/Logging	Field selectable to log dissolved oxygen independent of sampler operation or to control
		sample collection in response to volume exceeding low/high setpoints.
	Measurement Method	Galvanic
	Sensor	Temperature compensated; impact resistant polypropylene body
	Measurement Range	0 to 20 mg/L
	Resolution	0.01 mg/L
	Accuracy	±3% of reading or 0.1 mg/L
	Operating Temperature	0 to 50 °C (32 to 122 °F)
	Dimensions	1.7 mm diameter ⋅ 15.7 cm long (0.65 in. ⋅ 6.25 in.) with 1.9 cm (0.75 in.)
Conductivity Meter
	Control/Logging	Field selectable to log conductivity independent of sampler connection or to control sample
		collection in response to volume exceeding low/high setpoints.
	Sensor	Temperature compensated; impact resistant polypropylene body
	Measurement Range	0 to 20 mS/cm
	Resolution	0.01 mS/cm or 1 mS/cm
	Accuracy	±2% of reading or 0.01 mS
	Operating Temperature	0 to 50 °C (32 to 122 °F)
	Dimensions	1.7 cm diameter ⋅ 15.2 cm long (0.67 in. x 6 in.) with 1.9 cm (0.75 in.) mpt cable end
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8990spc.fm		Specifications